<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/4/24/024
 * Time: 20:37
 */

namespace app\admin\model;

use think\facade\Session;

class BannerType extends \think\Model
{
    /**
     * 获取单条
     * @param $id
     * @return array|null|\PDOStatement|string|\think\Model
     */
    public function _findOne($id){
        $data = $this->where([['id', '=', $id]])->find();

        return $data;
    }

    
    /**
    * 通过名称获取信息
    */
    public function _findByName($name){
        return $this->where([['title', '=', $name]])->find();
    }
    

    /**
    * 校验是否被冻结
    */
    public function _checkStatus($id){
        $data = $this->where(array('id'=>$id, 'status'=>1))->find();
        if(empty($data)){
            $this->error = '已禁用';
            return false;
        }
        return true;
    }

    /**
     * 列表
     * @param array $condition
     * @param int $page_size
     * @param string $order_by
     * @return \think\Paginator
     */
    public function _list($condition = [], $page_size = PAGE_SIZE_ADMIN, $order_by = 'sort desc'){
        $obj = $this->alias('u')
            ->order($order_by);
        $result = get_page($obj, $condition, $page_size);
       
        return $result;
    }

    /**
    * 获取所有的类型
    */
    public function _getAll(){
        return  $this->order("sort")->select();
    }
    
    /**
     * 添加
     * @param $post
     * @return bool
     */
    public function _create($post){
        $title = trim($post['title']);
        $admin = $this->where([['title', '=', $title]])->find();
        if($admin){
            $this->error = '数据已存在';
            return false;
        }
        
        $data = $post;
        $time = time();

        $data['created'] = $time;
        $data['updated'] = $time;
        
        if(!$this->insert($data)){
            $this->error = '操作失败';
            return false;
        }
        return true;
    }


    /**
     * 删除
     * @param $id
     * @return bool
     */
    public function _remove($id){
        $result = $this->_findOne($id);
        if(!$result){
            $this->error = '无此数据';
            return false;
        }

        if(!$result->delete()){
            $this->error = '操作失败';
            return false;
        }
        return true;
    }
    /**
     * 批量删除
     * @param $id
     * @return bool
     */
    public function _removeAll($id){
        $ret = $this->where([['id', 'in', $id]])->delete();
        if(!$ret){
            $this->error = '操作失败';
            return false;
        }
        return true;
    }


    /**
     * 详情
     * @param $id
     * @return array|bool
     */
    public function _detail($id){
        $result = $this->_findOne($id)->toArray();
        if(!$result){
            $this->error = '无此数据';
            return false;
        }
        return $result;
    }


    /**
     * 修改
     * @param $post
     * @return bool
     */
    public function _modify($post){
        $result = $this->_findOne($post['id']);
        if(empty($result)){
            $this->error = '数据不存在';
            return false;
        }
        $data = $this->where([['title', '=', trim($post['title'])]])->find();
        //var_dump($data);die;
        if(!empty($data)){
            if($data->id != $result->id){
                $this->error = '数据已存在';
                return false;
            }
        }

        foreach($post as $k=>$v){
            $result->$k = $v;
            
        }
        $result->updated = time();
        if($result->save() === false){
            $this->error = '操作失败';
            return false;
        }
        
        return true;
    }

    /**
    * 设置状态
    */
    public function _setStatus($request){
        $ff = $request['ff'];
        $id = $request['id'];
        if($ff == 1){
            $success = "停用成功";
            $error = "停用失败";
        }elseif($ff == -1){
            $success = "启用成功";
            $error = "启用失败";
        }
        
        
        $where = array('id'=>$id,'status'=>$ff);

        $data = $this->where($where)->find();
        if(empty($data)){
            $this->error = '该数据状态已改变';
            
            return false;
        }
        $data->status = -$ff;
        $ret = $data->save();
        if(!$ret){
            $this->error = $error;
            return false;
        }
        
        return true;
    }
    

    /**
    * 数据总条数
    */
    public function _count($where = []){
        return $this->alias('u')->where($where)->count();
    }

    /**
    * 获取条件
    */
    public function _where($request){
        $p = isset($request['page']) ? $request['page'] : 1;
        $start = isset($request['start']) ? $request['start'] : '';
        $end = isset($request['end']) ? $request['end'] : '';
        $title = isset($request['title']) ? $request['title'] : '';
        
        $request['page'] = $p;
        $request['start'] = $start;
        $request['end'] = $end;
        $request['title'] = $title;
        
        $search = $request;
        
        
        
        
        $title = htmlspecialchars(addslashes(str_replace(' ', '', $request['title'])));
        $request['title'] = str_replace('%', "\%", $title);
        
        $request['start'] = empty($request['start']) ? '' : strtotime($request['start']);
        $request['end'] = empty($request['end']) ? '' : strtotime($request['end']);
        $tmp = $request;
        foreach($tmp as $k=>$v){
            if(empty($v)){
                unset($tmp[$k]);
            }
        }
        
        $where = '';
        foreach($tmp as $k=>$v){
            if($k == 'start'){
                $start = strtotime($v);
                $where .= "u.created >= $start and ";
            }elseif($k == 'end'){
                $end = strtotime($v) + 24*3600;
                $where .= "u.created <= $end and ";
            }elseif($k == 'title'){
                $where .= "u.title like '%$v%' and ";
            }
        }
        if(!empty($where)){
            $where = substr($where, 0, -4);
        }
        return array('search'=>$search,'where'=>$where);
    }
}